135247701 has 4 divisors (see below), whose sum is σ = 180330272. Its totient is φ = 90165132.

The previous prime is 135247667. The next prime is 135247703. The reversal of 135247701 is 107742531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-135247701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135247703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22541281 + ... + 22541286.

It is an arithmetic number, because the mean of its divisors is an integer number (45082568).

Almost surely, 2^135247701 is an apocalyptic number.

It is an amenable number.

135247701 is a deficient number, since it is larger than the sum of its proper divisors (45082571).

135247701 is an equidigital number, since it uses as much as digits as its factorization.

135247701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45082570.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 135247701 is about 11629.6045074628. The cubic root of 135247701 is about 513.3063424931.

The spelling of 135247701 in words is "one hundred thirty-five million, two hundred forty-seven thousand, seven hundred one".